LIFE

Drones improve tornado early warning

For those living in America's infamous "tornado alley", minutes count.Currently, there's an average of just 14 minutes warning time before a twister hits. But drones, packed with meteorological equipment, are helping scientists better predict when and where tornadoes and storms will strike. Speaking at the paris air show, oklahoma's secretary of science and technology said it could be a game-changer for forecasting.